The thrust, , delivered by a ships propeller is
Chapter , Problem 71(choose chapter or problem)
The thrust, , delivered by a ships propeller is proportional33 to the square of the propeller rotation speed, , times the fourth power of the propeller diameter, . (a) Write a formula for in terms of and . (b) What happens to the thrust if the propeller speed is doubled? (c) What happens to the thrust if the propeller diameter is doubled? (d) If the propeller diameter is increased by 50%, by how much can the propeller speed be reduced to deliver the same thrust?
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